CN103070602A

CN103070602A - Electric rice cooker

Info

Publication number: CN103070602A
Application number: CN2013100460477A
Authority: CN
Inventors: 李科
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-05
Filing date: 2013-02-05
Publication date: 2013-05-01

Abstract

The invention is suitable for an electric rice cooker, which comprises an outer casing, an inner container, a cover, a water storage device, a water heating device and a water delivery device, wherein water in the water storage device is heated by the water heating device and then is delivered into the inner container by the water delivery device for rice cooking. The electric rice cooker has the advantages that the technical principles, such as natural gravity, pipeline high-efficiency heating and steam pressure, are adopted, the automatic water boiling and water adding functions can be realized with lower cost and at high speed, and the automatic water boiling and rice cooking effects can be easily realized by a user; and the remained chlorine of running water in a water tank which is used for delivering hot water to the inner container is decomposed and removed in the water pre-boiling process, so the rice with higher nutritive value and better mouthfeel is obtained.

Description

A kind of electric cooker

Technical field

The present invention relates to a kind of electric cooker, relate in particular to a kind of electric cooker of dechlorination.

Background technology

Existing electric cooker all is directly to use cold water and rice to cook, and its shortcoming is: because contain chlorine residue in 80% the running water in the world, so existing electric cooker directly uses cold water and rice to cook in the process, the chlorine residue meeting destroys contained vitamin B1 in the grain.The process length very that while cold water and rice are cooked, cook the rice ratio that comes and be easier to fragmentation, starch gelatinization layer in the rice and nutriment are dissolved in the soup after overflowing, and not only cause rice mouthfeel not good, and have strengthened chlorine residue and high temperature to the destruction of nutriment.If cook with existing electric rice cooker heated water and rice, then increase user's troublesome poeration.

Summary of the invention

For above-mentioned defective, the object of the present invention is to provide a kind of electric cooker, it can be realized before cooking, and by pre-warmed mode, except the chlorine in anhydrating, cooked again.

To achieve these goals, the invention provides a kind of electric cooker, comprise shell, inner bag and pot cover, described electric cooker also comprises water storage device, hot-water heating system and water sending device, and the water of water storage device is transported to inner bag by water sending device and cooks after the hot-water heating system heating.

Described hot-water heating system is heat-generating pipe, and water sending device comprises drainpipe and check valve; The water of water storage device is through check valve, again by being delivered to inner bag by drainpipe after the heat-generating pipe heating.

Described water delivery device is the water-supply-pipe that is provided with electric pump, and the water of water storage device is evacuated to inner bag by the water-supply-pipe that is provided with electric pump after the hot-water heating system heating.

Described water storage device is arranged in the inner bag; Described water sending device is that the electricity that is arranged on the water storage device bottom drives movable valve; The water of water storage device drives movable valve through electricity and flows into inner bag after the hot-water heating system heating.

Described hot-water heating system is installed in water storage device bottom or side week, perhaps contacts with water storage device in the water storage device outside.

Described hot-water heating system is electric heater.

Described hot-water heating system is provided with the temperature control inductor, after described temperature control inductor induction hot-water heating system temperature surpasses preset value, sends and cooks signal to the electric cooker master control borad.

The present invention adopts natural gravity, pipeline efficiently to generate heat and the know-why such as steam pressure, than lower cost and realized that automatic water boiler adds the function of water under the condition fast, so that the user can easily realize automatic water and cook; , in the process of heating up water in advance, the chlorine residue in the running water decomposed exclude to inner bag delivering hot water's water tank, obtain the higher and better rice of mouthfeel of nutritive value.

Description of drawings

Fig. 1 is the cross-sectional view of first embodiment of the invention;

Fig. 2 is the cross-sectional view of second embodiment of the invention;

Fig. 3 is the cross-sectional view of third embodiment of the invention;

The specific embodiment

In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.

Embodiment 1: as shown in Figure 1, Fig. 1 is the cross-sectional view of electric cooker the first embodiment of the present invention;

Described electric cooker comprises: casing of electric cooker 1, be installed in the inner bag 2 in the housing 1, the pot cover 3 of sealing inner bag 2 and the primary heater of cooking; Also comprise to inner bag 2 delivering hot waters' water tank 4, water tank connects water inlet pipe 5 and is connected with inner bag 2 by heat-generating pipe 7 and drainpipe 6, and for anti-sealing refluxes, the optional position is provided with check valve 8 between water tank 4 and heat-generating pipe 7, control water can only flow out from water tank 4, and can not be back to water tank 4.

Water in the water tank 4 is because natural gravity flows in the heat-generating pipe 7 by check valve 8 and water inlet pipe 5; At heat-generating pipe 7 heating powers, water is heated to boiling produces later on a large amount of water vapours, and then produce steam pressure, because the backflow of check valve 8 block water, boiling water and water vapour can only flow out in the inner bag 2 by drainpipe 6.After boiling water was delivered in the inner bag 2, the water in the water tank 4 can continue because gravity replenishes to heat-generating pipe 7, so constantly circulation and then being delivered in the inner bag 2 water in the water tank 4 is boiled, and then inner bag 2 just can begin to cook.

In above structure, to be located at water inlet pipe 5 upper outside except adding for check valve 8, can also add to be located between water tank 4 and the water inlet pipe 5, and perhaps between water inlet pipe 5 and the heat-generating pipe 7, can control current can only all can from water tank 4 one-way flow to heat-generating pipe in 7 heating.

Above water inlet pipe 5 is in order to make things convenient for water conservancy diversion out from water tank 4 in water, also can adopt the part such as filter to replace in the reality, and check valve and filter also can merge, and the effect of existing Unidirectional flow-limiting also has the effect of filtration.

In order to control better opportunity, a temperature control inductor that detects heat-generating pipe 7 temperature can be installed in electric cooker, after water dryouies, heat-generating pipe 7 can be persistently overheating, after temperature control inductor induction heat-generating pipe 7 temperature exceed certain preset value, can send the signal of cooking to the master control borad of electric cooker, the control electric cooker is closed the heating of heat-generating pipe 7 and is opened the electric cooker primary heater and cook.

Embodiment 2: as shown in Figure 2, Fig. 2 is the cross-sectional view of electric cooker the second embodiment of the present invention;

Described electric cooker comprises inner bag 10 and to inner bag 10 delivering hot waters' water tank 20; Water tank 20 is connected with inner bag 10 by water-supply-pipe 30, and the optional position is provided with electric pump 40 between water tank 20 and inner bag 10, is used for the water of heating is transported to inner bag 10.

Water tank 20 is equipped with electric heater 50, can be installed in water tank bottom or all sides, can heat and heat up water, water tank 20 heats by 50 pairs of water of electric heater, then utilize electric pump 40 that the water of heating is extracted in the inner bag 10 by water-supply-pipe 30 from water tank 20, cook again.

Electric heater 50 can be arranged on water tank 20 bottoms, all sides or water tank outside and contact with water tank.

Cook in order to control better, can add the temperature control inductor at electric heater, when the temperature that monitors electric heater surpasses certain preset value, transmission is cooked signal to the master control borad of electric cooker, and the control electric cooker is closed the heating of electric heater 50 and opened the electric cooker primary heater and cook.

Embodiment 3: as shown in Figure 3, Fig. 3 is the cross-sectional view of electric cooker the 3rd embodiment of the present invention;

Described electric cooker comprises shell 11, inner bag 12 and is arranged on the water tank 13 of inner bag 12 inside, water tank is equipped with electric heater 14, electric heater 14 can be installed in water tank 13 bottoms or all sides, perhaps water tank 13 outside contact with water storage device all can, heat up water for heating; One opening 15 is arranged at water tank 13 bottoms, and opening 15 is by temp .-control valve 15 sealing, when the cold water in the water tank 13 after electric heater 14 is heated to boiling, temp .-control valve 15 is opened, this moment hot water under the condition of natural gravity, can flow into the inner bag 12 from temp .-control valve 15.

Water tank 13 in the present embodiment also can be arranged on the inner bag 12, temp .-control valve 15 also can adopt electricity to drive valve or nanometer sieve plate, because the aperture of the sieve aperture of nanometer sieve plate is nanoscale, the diameter of hydrone is greater than this aperture, so water can not leak from sieve aperture to inner bag; But after electric heater heats water to boiling, because the nanometer sieve plate is heated, the molecular thermalmotion aggravation, so it is large that the aperture of sieve aperture can become, simultaneously because can produce a large amount of steam because water seethes with excitement in the water tank 13, form larger steam pressure, hot water becomes under the double action of large and steam pressure at sieve aperture, just can leak to inner bag from the nanometer sieve plate.

Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims

1. electric cooker, comprise casing of electric cooker, be installed in the inner bag in the housing and the primary heater of cooking, it is characterized in that: described electric cooker also comprises water storage device, hot-water heating system and water sending device, and the water of water storage device is transported to inner bag by water sending device and is cooked by primary heater after the hot-water heating system heating.

2. a kind of electric cooker according to claim 1, it is characterized in that: described hot-water heating system is heat-generating pipe, water sending device comprises water inlet pipe, drainpipe and check valve, water storage device connects water inlet pipe and is connected with inner bag by heat-generating pipe and drainpipe, check valve is located at optional position between water storage device and the heat-generating pipe, the water of water storage device flow to heat-generating pipe through water inlet pipe and check valve, is delivered to inner bag by drainpipe after the heat-generating pipe heating.

3. a kind of electric cooker according to claim 1, it is characterized in that: described hot-water heating system is located at water storage device bottom or all sides, water sending device is water-supply-pipe and electric pump, water storage device is connected with inner bag by water-supply-pipe, electric pump is located at optional position between water storage device and the inner bag, the water of water storage device is extracted into inner bag with the water that heats by water-supply-pipe by electric pump after the hot-water heating system heating.

4. a kind of electric cooker according to claim 1, it is characterized in that: described water storage device is located on the inner bag or inside, hot-water heating system is located at water storage device bottom or all sides, water sending device is movable valve, water storage device is connected with inner bag by movable valve, the water of water storage device flows into inner bag by movable valve after the hot-water heating system heating.

5. a kind of electric cooker according to claim 1, it is characterized in that: described water storage device is located on the inner bag or inside, hot-water heating system is located at water storage device bottom or all sides, water sending device is the nanometer sieve plate, water storage device is connected with inner bag by the nanometer sieve plate, the water of water storage device flows into inner bag by the nanometer sieve plate after the hot-water heating system heating.

6. according to claim 1 to 5 each described electric cookers, it is characterized in that: described hot-water heating system also is provided with the temperature control inductor, the temperature control inductor is sensed the hot-water heating system temperature above behind the preset value, transmission is cooked signal to the electric cooker master control borad, and control is closed hot-water heating system and opened the electric cooker primary heater and cook.

7. a kind of electric cooker according to claim 2 is characterized in that: also be provided with filter between described water storage device and the hot-water heating system.

8. a kind of electric cooker according to claim 4 is characterized in that: described movable valve drives valve or temp .-control valve for electricity.